Thermal recording apparatus with resistance compensation

Details Thermal recording apparatus with resistance compensation Thermal recording apparatus with resistance compensation

1987-04-29

1989-01-31

Goldberg, E. A.

Recorders

Thermal recording

400120, 358298, G01D 1510

Patent

active

048019488

ABSTRACT:
A thermal recording apparatus includes a resistance memory for storing resistance variation data associated with each of a plurality of resistive thermal recording elements. A picture element stores gradation data representing a plurality of picture elements to be recorded to reproduce a picture image. A gradation conversion mechanism receiving the stored gradation data and the stored resistance variation data associated with the recording elements to record the gradation data and corrects the values of the gradation data to compensate for the variations in the resistances of the recording elements from a predetermined value.

REFERENCES:
patent: 4540991 (1985-09-01), Kariya et al.

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